| Waltham Cross to Sangeorgiu de Mures | 1,156.97 mi (1,861.97 km) |
| Waltham Cross to Sangeorz-Bai | 1,141.59 mi (1,837.22 km) |
| Waltham Cross to Sannicolau Mare | 1,011.05 mi (1,627.13 km) |
| Waltham Cross to Santana | 1,038.34 mi (1,671.04 km) |
| Waltham Cross to Satu Mare | 1,053.55 mi (1,695.53 km) |
| Waltham Cross to Scobinti | 1,237.47 mi (1,991.51 km) |
| Waltham Cross to Scornicesti | 1,228.11 mi (1,976.45 km) |
| Waltham Cross to Sebes | 1,138.15 mi (1,831.68 km) |
| Waltham Cross to Seini | 1,071.56 mi (1,724.51 km) |
| Waltham Cross to Sfantu-Gheorghe | 1,234.92 mi (1,987.40 km) |
| Waltham Cross to Sibiu | 1,168.23 mi (1,880.09 km) |
| Waltham Cross to Sighetu Marmatiei | 1,092.59 mi (1,758.35 km) |
| Waltham Cross to Sighisoara | 1,181.26 mi (1,901.06 km) |
| Waltham Cross to Simeria | 1,118.35 mi (1,799.81 km) |
| Waltham Cross to Sinaia | 1,242.21 mi (1,999.14 km) |
